community/alacritty: fix use with bitmap fonts and freetype-2.11.4

This is a major annoyance for me and other people who use alacritty with bitmap fonts (see #12858 (closed)). As such, I would not like to wait until there is a new upstream release.

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This is a backport of an upstream change.

See:

• https://github.com/alacritty/alacritty/commit/259e7c7a09f343b28ad34254f3880e9c4cf5c5ec
• https://github.com/alacritty/alacritty/issues/5353

Fixes #12858 (closed).